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@article{PIM_1991_N_S_49_63_a2, author = {Ivan Gutman}, title = {A {Property} {Of} {The} {Number} {Of} {Perfect} {Matchings} {Of} {A} {Graph}}, journal = {Publications de l'Institut Math\'ematique}, pages = {17 }, publisher = {mathdoc}, volume = {_N_S_49}, number = {63}, year = {1991}, url = {http://geodesic.mathdoc.fr/item/PIM_1991_N_S_49_63_a2/} }
Ivan Gutman. A Property Of The Number Of Perfect Matchings Of A Graph. Publications de l'Institut Mathématique, _N_S_49 (1991) no. 63, p. 17 . http://geodesic.mathdoc.fr/item/PIM_1991_N_S_49_63_a2/